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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#377416#6788. Heap PartitionZhou_JKAC ✓508ms19572kbC++231.5kb2024-04-05 13:23:522024-04-05 13:23:53

Judging History

你现在查看的是最新测评结果

  • [2024-04-05 13:23:53]
  • 评测
  • 测评结果:AC
  • 用时:508ms
  • 内存:19572kb
  • [2024-04-05 13:23:52]
  • 提交

answer

#include<iostream>
#include<cstdio>
#include<vector>
#include<set>
#include<algorithm>
using namespace std;
const int N=100005;
int n;
int a[N];
vector<int>pos[N];
int fa[N],cnt[N];
set<int>s;
vector<int>G[N];
vector<int>p;
void dfs(int u)
{
    p.emplace_back(u);
    for(int v:G[u])
        dfs(v);
    return;
}
void solve()
{
    cin>>n;
    for(int i=1;i<=n;i++)
        cin>>a[i];
    for(int i=1;i<=n;i++)
        pos[i].clear(),G[i].clear();
    for(int i=1;i<=n;i++)
        pos[a[i]].emplace_back(i);
    s.clear();
    for(int i=1;i<=n;i++)
    {
        for(int u:pos[i])
        {
            auto it=s.upper_bound(u);
            if(it==s.begin()) fa[u]=0;
            else
            {
                int f=*prev(it);
                fa[u]=f;
                G[f].emplace_back(u);
                cnt[f]++;
                if(cnt[f]>=2) s.erase(s.find(f));
            }
            cnt[u]=0;
            s.insert(u);
        }
    }
    vector<vector<int>>res;
    for(int i=1;i<=n;i++)
        if(!fa[i])
        {
            p.clear();
            dfs(i);
            res.emplace_back(p);
        }
    int m=res.size();
    cout<<m<<"\n";
    for(auto &p:res)
    {
        sort(p.begin(),p.end());
        int c=p.size();
        cout<<c;
        for(int u:p)
            cout<<" "<<u;
        cout<<"\n";
    }
    return;
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr),cout.tie(nullptr);
    int T;
    cin>>T;
    while(T--)
        solve();
    return 0;
}

这程序好像有点Bug,我给组数据试试?

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 5600kb

input:

4
4
1 2 3 4
4
2 4 3 1
4
1 1 1 1
5
3 2 1 4 1

output:

1
4 1 2 3 4
2
3 1 2 3
1 4
1
4 1 2 3 4
3
1 1
1 2
3 3 4 5

result:

ok ok

Test #2:

score: 0
Accepted
time: 508ms
memory: 19572kb

input:

72284
1
1
2
1 1
2
2 1
2
1 2
2
2 2
3
1 1 1
3
2 1 1
3
3 1 1
3
1 2 1
3
2 2 1
3
3 2 1
3
1 3 1
3
2 3 1
3
3 3 1
3
1 1 2
3
2 1 2
3
3 1 2
3
1 2 2
3
2 2 2
3
3 2 2
3
1 3 2
3
2 3 2
3
3 3 2
3
1 1 3
3
2 1 3
3
3 1 3
3
1 2 3
3
2 2 3
3
3 2 3
3
1 3 3
3
2 3 3
3
3 3 3
4
1 1 1 1
4
2 1 1 1
4
3 1 1 1
4
4 1 1 1
4
1 2 1 1
...

output:

1
1 1
1
2 1 2
2
1 1
1 2
1
2 1 2
1
2 1 2
1
3 1 2 3
2
1 1
2 2 3
2
1 1
2 2 3
1
3 1 2 3
2
2 1 2
1 3
3
1 1
1 2
1 3
1
3 1 2 3
2
2 1 2
1 3
2
2 1 2
1 3
1
3 1 2 3
2
1 1
2 2 3
2
1 1
2 2 3
1
3 1 2 3
1
3 1 2 3
2
1 1
2 2 3
1
3 1 2 3
1
3 1 2 3
2
2 1 2
1 3
1
3 1 2 3
2
1 1
2 2 3
2
1 1
2 2 3
1
3 1 2 3
1
3 1 2 3
2
1 ...

result:

ok ok